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Jiggling Assembly

Jiggling Assembly

Jiggling Assembly

(OP)
Sorry for the vague title, I don't even know what to search for for this issue.

One of our guys has got an issue with a large assembly. When the view is rotated, parts are jiggling about, like an earthquake. It's a difficult thing to describe, sorry. Parts are shaking against each other as the view is rotated and it's slowing things down.

The assembly is fully defined and when finished rotating, all the parts are where they should be.

RE: Jiggling Assembly

Sounds like video card problem.
What are the computer specs?

RE: Jiggling Assembly

(OP)
Dell Precision T3500
Intel Xeon Quad @2.27GHz
12GB Ram
Nvidia Quadro FX580
Windows 7-64
 

RE: Jiggling Assembly

If the mates aren't being screwed up or lost, I wouldn't worry about it too much ... unless you are trying to create an animation.

Have you tried adjusting the Tools > Options > System Options > Performance settings?

RE: Jiggling Assembly

(OP)
It's slowing down the machine enough to be annoying, especially since I can open the same assembly on my machine and it's smooth as silk.

we've tried different level of detail performance settings, are there any other settings that could make a difference?

RE: Jiggling Assembly

Are both machines of the same spec?
Is the graphics driver on the "slow" machine, SW approved? (Should be 8.16.11.9187)
http://www.solidworks.com/downloads/videocarddriver/dell/r264785.exe

Are other programs/utilities/processes running on the slow machine?

You could use the Copy Settings Wizard to copy the settings from your machine to the other one. Make sure to create a copy of the settings from the slow machine before applying yours though.

RE: Jiggling Assembly

(OP)
The machines are different spec, the "slow" machine is the only one we have with that spec.

The graphics driver is the latest one, not the solidworks approved, so I guess this would be the first thing to try. Our IT dept are reluctant to install older drivers on our machines though.

The only other things that are running on that machine would be outlook and maybe a couple of explorer windows. It's done it consistently ove a couple of days with a restart in between.

I'll give the copy settings wizard thing a go if the user wants to.

RE: Jiggling Assembly

Before copying the settings over, I would uninstall the existing graphics driver and reinstall the SW approved version.

RE: Jiggling Assembly

... in addition to the other suggestions - has the hard drive been defragged lately?  Since it is a Win 7 machine I assume it should not be in bad shape yet, but I had an older machine that I was about to replace because it was getting so slow.  Funny thing was because it happened over time I didn't realize it was actually getting slower - I just thought it was a slow machine compared to my others.  For some reason I decided to defrag and was amazed at how much faster it was.  Still using it now 3 or 4 years later (set to automatically defrag at intervals).

RE: Jiggling Assembly

(OP)
The machine was completely re-built pretty recently. The problem seems to be intermittent now. The user with the issue is using a space navigator, but it's not like the whole display is jiggling, it's more like the sub assemblies are falling apart temporarily

I'm wondering if it is to do with graphics card RAM. This machine has a 512 card, but we've had all sorts of issues here on machines that are running 256 cards

RE: Jiggling Assembly

(OP)
yeah, we've just tried that. It does happen if you rotate using the mouse as well

RE: Jiggling Assembly

I had the same problem, and after reading about it somewhere else online I found that going to isometric view will stop the stuttering until the part is closed and opened again. Its easy to get around and hopefully will be fixed.

RE: Jiggling Assembly

OK folks. Step one in a situation like this is to use Rx to turn on Software OpenGL. If that stops it, it is a graphics card problem all other things being equal. And the rule of changing one thing at a time is all important here.

SteveJHH please give us the specs of the machine you are troubleshooting. My signature can be guidance for what is necessary for us to know.

Remember to practice good FODLAR when requesting help for this sort of thing.

F= Frequency--How often are the problems occurring?
O= Onset---When did the problems begin?
D= Duration--How long have the problems lasted?
L= Location--Where do you notice the problem?
A= Association--Is there anything else related to the problems or problem?
R= Relief from problems--Does anything help relive or diminish the problems or problems?

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RE: Jiggling Assembly

(OP)
The user in question has not had this problem very often at all since I first reported it, suggesting it might have been a combination of a particular assembly on a particular machine.
One other user here has had something similar happen recently, and he is the only other user with a space navigator, so I suspect that is the cause.

RE: Jiggling Assembly

I think we can come up with a better mnemonic then FODLAR.  How about 'La Ford' or 'OLD FAR' or even 'LAD FOR'?

-Kirby

Kirby Wilkerson

Remember, first define the problem, then solve it.

RE: Jiggling Assembly

(OP)
Dr Loaf?

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